
15.4 External I/O Section (BNC (IN/OUT) and I/O for
synchronous operation (SYNC IN/OUT))
BNC I/O
Item
Specifications
Connector
BNC connector
I/O level
TTL
I/O logic
Negative logic, falling edge
Minimum pulse width
10
μ
s
IN signal
TRIG IN and OUTPUT IN
OUT signal
TRIG OUT, OUTPUT OUT, and READY OUT
I/O for Synchronous Operation
Item
Specifications
Connector
RJ-11 connector
I/O level
TTL
Minimum pulse width
10
μ
s
Pinout
Pin No.
SYNC IN
SYNC OUT
1
OUTPUT IN
OUTPUT OUT
2
NC
NC
3
TRIG IN
TRIG OUT
4
GND
GND
5
NC
READY OUT
6
NC
*
* This pin is used for servicing the GS200. Do not use it.
15-4
IM GS210-01EN